Prepare for 1.1.1c release

Reviewed-by: NMatt Caswell <matt@openssl.org>

CHANGES

@@ -7,7 +7,7 @@
  https://github.com/openssl/openssl/commits/ and pick the appropriate
  release branch.
 
- Changes between 1.1.1b and 1.1.1c [xx XXX xxxx]
+ Changes between 1.1.1b and 1.1.1c [28 May 2019]
 
   *) Add build tests for C++.  These are generated files that only do one
      thing, to include one public OpenSSL head file each.  This tests that

NEWS

@@ -5,7 +5,7 @@
   This file gives a brief overview of the major changes between each OpenSSL
   release. For more details please read the CHANGES file.
 
-  Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [under development]
+  Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019]
 
       o Prevent over long nonces in ChaCha20-Poly1305 (CVE-2019-1543)
 

README

 
- OpenSSL 1.1.1c-dev
+ OpenSSL 1.1.1c 28 May 2019
 
  Copyright (c) 1998-2019 The OpenSSL Project
  Copyright (c) 1995-1998 Eric A. Young, Tim J. Hudson

include/openssl/opensslv.h

@@ -39,8 +39,8 @@ extern "C" {
  * (Prior to 0.9.5a beta1, a different scheme was used: MMNNFFRBB for
  *  major minor fix final patch/beta)
  */
-# define OPENSSL_VERSION_NUMBER  0x10101030L
-# define OPENSSL_VERSION_TEXT    "OpenSSL 1.1.1c-dev  xx XXX xxxx"
+# define OPENSSL_VERSION_NUMBER  0x1010103fL
+# define OPENSSL_VERSION_TEXT    "OpenSSL 1.1.1c  28 May 2019"
 
 /*-
  * The macros below are to be used for shared library (.so, .dll, ...)